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Throw TypeErrors instead of uncatcheable exceptions in CodegenRust.py (fixes #347, #3065).

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Pierre Louis Aublin 2014-07-01 15:48:02 +02:00 • committed by Ms2ger
parent ff97135ab9
commit cf734b01b7
2 changed files with 50 additions and 8 deletions
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11
src/components/script/dom/bindings/codegen/CodegenRust.py
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@ -377,7 +377,8 @@ class CGMethodCall(CGThing):
overloadCGThings.append(
CGSwitch("argcount",
argCountCases,
CGGeneric("return 0; //XXXjdm throw stuff\n//return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, %s);\n" % methodName)))
CGGeneric("throw_type_error(cx, \"Not enough arguments to %s.\");\n"
"return 0;\n" % methodName)))
#XXXjdm Avoid unreachable statement warnings
#overloadCGThings.append(
# CGGeneric('fail!("We have an always-returning default case");\n'
@ -520,7 +521,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
return CGWrapper(
CGGeneric(
failureCode or
('//XXXjdm ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "%s", "%s")\n;'
('throw_type_error(cx, \"%s does not implement interface %s.\");\n'
'%s' % (firstCap(sourceDescription), typeName,
exceptionCode))),
post="\n")
@ -528,7 +529,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None,
return CGWrapper(
CGGeneric(
failureCode or
('//XXXjdm ThrowErrorMessage(cx, MSG_NOT_CALLABLE, "%s");\n'
('throw_type_error(cx, \"%s is not callable.\");\n'
'%s' % (firstCap(sourceDescription), exceptionCode))),
post="\n")
@ -2656,7 +2657,7 @@ class CGStaticSetter(CGAbstractStaticBindingMethod):
checkForArg = CGGeneric(
"let argv = JS_ARGV(cx, vp);\n"
"if (argc == 0) {\n"
" // XXXjdmreturn ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, \"%s setter\");\n"
" throw_type_error(cx, \"Not enough arguments to %s setter.\");\n"
" return 0;\n"
"}\n" % self.attr.identifier.name)
call = CGSetterCall([], self.attr.type, nativeName, self.descriptor,
@ -4311,7 +4312,7 @@ class CGDictionary(CGThing):
" } else if val.is_object() {\n"
" val.to_object()\n"
" } else {\n"
" //XXXjdm throw properly here\n"
" throw_type_error(cx, \"Value not an object.\");\n"
" return Err(());\n"
" };\n"
" Ok(${selfName} {\n"